Patents by Inventor Jacob L. Ems

Jacob L. Ems has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Tamper proof package
    Patent number: 5042653
    Abstract: A tamper proof package including tamper detecting means on the top and bottom closures indicate if the package has been opened.
    Type: Grant
    Filed: August 20, 1990
    Date of Patent: August 27, 1991
    Assignee: Brown & Williamson Tobacco Corporation
    Inventor: Jacob L. Ems